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Unread 03-23-2012, 04:42 AM   #1
kphimself
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Front axle U-joints

I started replacing the front axle u-joints last night and for the life of me i can't figure out what is keeping the axle in place. I removed the 36mm bolt from the front, brake calipers, and 3 13mm bolts from the back side. I should add that I am working on the passenger side so im not sure if the axle shaft motor is causing my problems.

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Unread 03-23-2012, 04:57 AM   #2
Louie4
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Sounds like you need to pry the unit hub bearing away from the knuckle. They can get seized over time. I recommend a large flat head screwdriver and a BFH.

Of course I'm not as sure about a TJ (if that's what you're working on). I've never taken one off of those models.
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Unread 03-23-2012, 05:02 AM   #3
kphimself
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TJ's are easy they just slid out. So that shaft motor wouldn't hold the axle in? I don't want to start beating on it and break off that shift fork or something.
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Unread 03-23-2012, 05:04 AM   #4
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Quote:
Originally Posted by kphimself View Post
TJ's are easy they just slid out. So that shaft motor wouldn't hold the axle in? I don't want to start beating on it and break off that shift fork or something.
No, it's just a shift fork that moves a collar over to lock the intermediate shaft to the outer shaft.

One thing I might note, I've heard some early model YJ's had c-clips in their Dana 30's. I could be wrong though. That still shouldn't stop you from taking the unit hub bearing off.
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Unread 03-23-2012, 05:06 AM   #5
kphimself
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This one's a 95 so it shouldn't be a problem. everything else is rust welded together, why not the hubs.
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Unread 03-23-2012, 05:08 AM   #6
kphimself
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Im wondering if a gear puller may help.
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Unread 03-23-2012, 06:04 AM   #7
Siva283
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No a gear puller may just pull the hub apart at the bearing. Ask me how I know. There is a trick where you put a socket behind it and turn the wheel and it pops the unibearing off. I saw it on Stu's site but there are write ups on here on how to do it too. I am on my work computer so I dont have the links to post ATM.
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Unread 03-23-2012, 06:23 AM   #8
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Originally Posted by Siva283 View Post
No a gear puller may just pull the hub apart at the bearing. Ask me how I know. There is a trick where you put a socket behind it and turn the wheel and it pops the unibearing off. I saw it on Stu's site but there are write ups on here on how to do it too. I am on my work computer so I dont have the links to post ATM.
Boom.

http://www.stu-offroad.com/axle/unitbearing/unitbearing-1.htm

Apparently the method is from mrBlaine.
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Unread 03-23-2012, 06:44 AM   #9
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Boom.

http://www.stu-offroad.com/axle/unitbearing/unitbearing-1.htm

Apparently the method is from mrBlaine.
This ^... I have used this method a few times, works great.
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Unread 03-23-2012, 07:22 AM   #10
Berniebikes
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The bolt trick on Stu's site works great. A hint, have a helper to keep the hub from turning when you turn the wheel to pop the bearing loose. The surfaces aren't exactly flat and if the hub is really stuck the tendency will be for the hub to spin flopping the bolt to the floor. On one of mine I even had to place a breaker bar across the wheel studs to use as leverage to keep everything from twisting as I turned the wheel to pop the unit bearing.
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Unread 03-23-2012, 07:27 AM   #11
kphimself
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The socket trick worked like a champ. Now to get the rusted u-joints out.
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Unread 03-23-2012, 01:13 PM   #12
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Quote:
Originally Posted by kphimself View Post
The socket trick worked like a champ. Now to get the rusted u-joints out.
Glad to hear it
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1995 YJ. 2 inch BDS Spring lift. 1 inch shackle lift. 33x12.5x15's. Engo 10,000 pound winch.

Quote:
Originally Posted by Magnum View Post
I gave the Jeep the required offering of $$, sweat, and blood, and everything works fine now. -- Jim
Quote:
Originally Posted by Anticanman View Post
Big difference between a Warn winch and a worn wench. I'll take the former.
Quote:
Originally Posted by Que89YJ View Post
Oh and the phrase high cfm doesnt do that fan justice. It could suck peanut butter through a straw!
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